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nydimaria [60]
3 years ago
11

Write an expression to answer the question.You buy x birthday cards for $1.85 each. How much do you spend?

Mathematics
1 answer:
Alex Ar [27]3 years ago
8 0
Y=1.85x
Hope this helped
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What are the zeros of the quadratic function f(x) equals 6X squared +12 X -7
tamaranim1 [39]

The zeroes of the function will be \rm -1 \pm \dfrac{\sqrt{78}}{6}}

<h3>What is a Quadratic Function ?</h3>

A quadratic function is given by ax² +bx+c = f(x)

The given quadratic function is

f(x) = 6x² +12x - 7

The zeroes of the function will be given by

f(0) = 0

6x² +12x - 7 = 0

The zeroes are given by

\rm \dfrac {-b  \pm \sqrt{b^2 -4ac}}{2a}

here

a = 6

b = 12

c = -7

Therefore the zeroes of the function will be

\rm \dfrac {-12  \pm \sqrt{12^2 -4*6*(-7)}}{2 *6}

\rm \dfrac {-12  \pm \sqrt{312}}{12}

\rm -1 \pm \dfrac{\sqrt{78}}{6}}

Therefore these are the two zeroes of the function.

To know more about Quadratic Function

brainly.com/question/27918223

#SPJ1

7 0
1 year ago
Find the total surface area for the following. <br>height-3m, length-300 cm and width- 2 cm.​
Delvig [45]

Answer:

Step-by-step explanation:

So the Dimensions are:

Height: 300cm

Length: 300cm

Width: 2cm

SA = 2(H*L)+2(H*W)+2(L*W)

= 180000 + 1200 + 1200

= 182400 cm^{2} OR 18.24m^{2}

6 0
3 years ago
Read 2 more answers
Cual es la sustitución de x/2+3=7
Maslowich

Answer:

conio

Step-by-step explanation:

5 0
2 years ago
IvuilipiildliUll dll
Rina8888 [55]

Answer:

13 times

Step-by-step explanation:

You divide 91 and 7 to get your answer as the answer is asking for times.

4 0
3 years ago
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500 people took part in a marathon. 35% of them were children and the rest
sineoko [7]

Answer:

325

Step-by-step explanation:

500×.35=175

500-175=325

3 0
2 years ago
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